Blendspace is a great tool to use in the classroom! I personally like to have my students research a topic and create their own blendspace. This way they are engaged learning about a topic, and can present it and teach their classmates about a new topic!
Here is the link to go to the Blendspace website:
The assignment attached is actually step by step instructions for your students (or you!) to use to create their own Blendspaces!